karstenholm.dk DNS records

🖥️ Nameservers4 records 109ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.kleinweb.dk	195.43.138.53	ns.kleinweb.dk	AS59979 Klein-Data
ns2.kleinweb.dk	195.43.138.16	ns2.kleinweb.dk	AS59979 Klein-Data
ns3.kleinweb.dk	116.203.28.124 2a01:4f8:c2c:225d::53	static.124.28.203.116.clients.your-server.de —	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
ns4.kleinweb.dk	178.62.51.240 2a03:b0c0:1:d0::39:9001	ns4.kleinweb.dk ns4.kleinweb.dk	AS14061 DigitalOcean, LLC AS14061 DigitalOcean, LLC

🌍 A Records1 records 102ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.43.138.27	120s	host03.kleinweb.dk	AS59979	Klein-Data	195.43.138.0/24	🇩🇰 Denmark	—

📧 MX Records1 records 101ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	120s	karstenholm-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::7 2a01:111:f403:ca09::26 2a01:111:f403:ca09::e 52.101.68.12 52.101.68.15 52.101.68.18 52.101.73.8	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db4pr02cu00307.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-am0pr04cu00500.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.24

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 174ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records1 records 309ms

TXT Record
v=spf1 include:spf.kleinweb.dk include:spf.protection.outlook.com ~all

✉️ SPF

Policy	Record (karstenholm.dk)
~all (soft fail)	v=spf1 include:spf.kleinweb.dk include:spf.protection.outlook.com ~all

📨 DMARC

Policy	Record (_dmarc.karstenholm.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 MTA-STS

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records

✗ No CAA records — any CA may issue certificates

🔗 TLSA / DANE

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC218ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2026071302
Primary NS (MNAME)	ns.kleinweb.dk
Responsible (RNAME)	hostmaster@kleinweb.dk
Refresh	7200s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	21600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

109ms

A

102ms

MX

101ms

AAAA

94ms

TXT

309ms

CAA

108ms

HTTPS

119ms

TLSA

658ms

SOA

0ms

MTA-STS

166ms

DNSSEC

218ms

SRV

174ms

Total

1563ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 05:56:11	1563ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-07-16 14:45:36	9079ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-23 18:46:54	798ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-23 00:07:55	932ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 02:50:23	928ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 17:57:31	1200ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 17:56:42	4165ms	4 NS 1 A 1 MX	🔓 Insecure	View